Lipids are an extremely important group of chemicals that play a major role in living things. A characteristic feature is their limited solubility in water.
There are two main classes of lipid:
- Fats, oils and waxes containing ester linkages.
- Sterols like cholesterol.
Download the Word file (see link below) to read this teacher resource, which provides information about lipids. It follows on from the article about macronutrients, giving more detail about this important group of energy-rich food substances.